Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 10:02

General

  • Target

    2c4fb6bcdc67af6de04eb0320deb4a44c485a5e226818f7fd5f2f497f116057b.exe

  • Size

    592KB

  • MD5

    2dda42f3262c56f78ce61ec265eb5070

  • SHA1

    d23f64693973fabc5149c6d947bdd59a48ac19b2

  • SHA256

    2c4fb6bcdc67af6de04eb0320deb4a44c485a5e226818f7fd5f2f497f116057b

  • SHA512

    7c445e6eff50eb023ec4de35cf4c5f91fd14252ab98b78726ca2bc9f97035995f1e6333015c5847b268cb53c087c95855a96e998d3b70693fa35b3128280f958

  • SSDEEP

    12288:TDNt7MOc7+EoWPYhaYvoWfJrp3pkWJtbZU8JFtrymB:TDNt7MOa+xUnkFp3SKtb/JFwE

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c4fb6bcdc67af6de04eb0320deb4a44c485a5e226818f7fd5f2f497f116057b.exe
    "C:\Users\Admin\AppData\Local\Temp\2c4fb6bcdc67af6de04eb0320deb4a44c485a5e226818f7fd5f2f497f116057b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3192
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=2c4fb6bcdc67af6de04eb0320deb4a44c485a5e226818f7fd5f2f497f116057b.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Adds Run key to start application
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4768
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ff99d3e46f8,0x7ff99d3e4708,0x7ff99d3e4718
        3⤵
          PID:4704
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2192 /prefetch:2
          3⤵
            PID:1712
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:5032
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
            3⤵
              PID:4336
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3404 /prefetch:1
              3⤵
                PID:3044
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3420 /prefetch:1
                3⤵
                  PID:2680
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4888 /prefetch:8
                  3⤵
                    PID:4992
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4864 /prefetch:1
                    3⤵
                      PID:2604
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3704 /prefetch:8
                      3⤵
                        PID:4564
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3692 /prefetch:1
                        3⤵
                          PID:2764
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5572 /prefetch:1
                          3⤵
                            PID:3140
                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4952 /prefetch:8
                            3⤵
                              PID:2760
                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                              3⤵
                              • Drops file in Program Files directory
                              PID:2060
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1c4,0x22c,0x7ff686e65460,0x7ff686e65470,0x7ff686e65480
                                4⤵
                                  PID:2108
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4952 /prefetch:8
                                3⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2084
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5692 /prefetch:1
                                3⤵
                                  PID:4600
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6188 /prefetch:1
                                  3⤵
                                    PID:3920
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6060 /prefetch:8
                                    3⤵
                                      PID:2844
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3412 /prefetch:8
                                      3⤵
                                        PID:2180
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3192 /prefetch:8
                                        3⤵
                                          PID:4932
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5140 /prefetch:8
                                          3⤵
                                            PID:2340
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1908 /prefetch:2
                                            3⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:4016
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2152,1865539280896557465,8123386066653232709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5128 /prefetch:8
                                            3⤵
                                              PID:4204
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=2c4fb6bcdc67af6de04eb0320deb4a44c485a5e226818f7fd5f2f497f116057b.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            2⤵
                                              PID:2812
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff99d3e46f8,0x7ff99d3e4708,0x7ff99d3e4718
                                                3⤵
                                                  PID:3900
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:1004

                                              Network

                                              MITRE ATT&CK Matrix ATT&CK v6

                                              Persistence

                                              Registry Run Keys / Startup Folder

                                              1
                                              T1060

                                              Defense Evasion

                                              Modify Registry

                                              1
                                              T1112

                                              Discovery

                                              System Information Discovery

                                              2
                                              T1082

                                              Query Registry

                                              1
                                              T1012

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                                Filesize

                                                152B

                                                MD5

                                                9227ba18e4106970788586689f7dddd7

                                                SHA1

                                                7e2c112b4b2f2fe7b5d308a2078dc487f8b50c7c

                                                SHA256

                                                01d0339bd0406e76af6bbce8ca4e41d6c0bb5e1ac9f5926f1e0627590880e481

                                                SHA512

                                                b0fafe3d9e1e5d7e8eb6ba258852ae1d1c9ffb04a6378703755a89e4575d3af1c2b88e5367e0868b7f1ea3ee7f9a76a1541a2846e583621ed495d1d97ff864da

                                              • \??\pipe\LOCAL\crashpad_4768_IYPJGKBCAXFZJTPG
                                                MD5

                                                d41d8cd98f00b204e9800998ecf8427e

                                                SHA1

                                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                SHA256

                                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                SHA512

                                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                              • memory/1712-135-0x0000000000000000-mapping.dmp
                                              • memory/2060-154-0x0000000000000000-mapping.dmp
                                              • memory/2084-156-0x0000000000000000-mapping.dmp
                                              • memory/2108-155-0x0000000000000000-mapping.dmp
                                              • memory/2180-167-0x0000000000000000-mapping.dmp
                                              • memory/2340-171-0x0000000000000000-mapping.dmp
                                              • memory/2604-147-0x0000000000000000-mapping.dmp
                                              • memory/2680-143-0x0000000000000000-mapping.dmp
                                              • memory/2764-151-0x0000000000000000-mapping.dmp
                                              • memory/2812-157-0x0000000000000000-mapping.dmp
                                              • memory/2844-165-0x0000000000000000-mapping.dmp
                                              • memory/3044-141-0x0000000000000000-mapping.dmp
                                              • memory/3140-153-0x0000000000000000-mapping.dmp
                                              • memory/3900-158-0x0000000000000000-mapping.dmp
                                              • memory/3920-163-0x0000000000000000-mapping.dmp
                                              • memory/4016-172-0x0000000000000000-mapping.dmp
                                              • memory/4204-174-0x0000000000000000-mapping.dmp
                                              • memory/4336-139-0x0000000000000000-mapping.dmp
                                              • memory/4564-149-0x0000000000000000-mapping.dmp
                                              • memory/4600-161-0x0000000000000000-mapping.dmp
                                              • memory/4704-133-0x0000000000000000-mapping.dmp
                                              • memory/4768-132-0x0000000000000000-mapping.dmp
                                              • memory/4932-169-0x0000000000000000-mapping.dmp
                                              • memory/4992-145-0x0000000000000000-mapping.dmp
                                              • memory/5032-136-0x0000000000000000-mapping.dmp